<template>
  <div class="app-container">
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="6">
            <el-form-item label="图书名称">
              <el-input v-model="searchObj.name" placeholder="图书名称"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="6">
            <el-form-item label="出版社">
              <el-input v-model="searchObj.publisher" placeholder="出版社"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="6">
            <el-form-item label="作者">
              <el-input v-model="searchObj.author" placeholder="作者社"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="操作时间">
              <el-date-picker
                v-model="createTimes"
                type="datetimerange"
                range-separator="至"
                start-placeholder="开始时间"
                end-placeholder="结束时间"
                value-format="yyyy-MM-dd HH:mm:ss"
                style="margin-right: 10px;width: 100%;"
              />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button type="primary" icon="el-icon-search" size="mini"  @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
        </el-row>
      </el-form>
    </div>

    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success" :disabled="$hasBP('bnt.book.add')  === false" icon="el-icon-plus" size="mini" @click="add">添 加</el-button>
    </div>

	<!-- 列表 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;">

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="isbn" label="ISBN" width="110"/>
      <el-table-column prop="name" label="图书名称" width="180"/>
      <el-table-column prop="categoryId" label="图书类别" width="80"/>
      <el-table-column prop="tags" label="标签" width="80"/>
      <el-table-column prop="author" label="作者" width="80"/>
      <el-table-column prop="publisher" label="出版社" width="180"/>
      <el-table-column prop="unitPrice" label="单价" width="60"/>
      <el-table-column label="状态" width="80">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status===1"
            @change="switchStatus(scope.row)">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间" width="160"/>

      <el-table-column label="操作"  align="center" fixed="right">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row.id)" title="修改"/>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)" title="删除" />
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />
    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%" >
      <el-form ref="dataForm" :model="book"  label-width="100px" size="small" style="padding-right: 40px;">
        <el-form-item label="图书分类" prop="categoryId">
          <el-input v-model="book.categoryId"/>
        </el-form-item>
        <el-form-item v-if="!book.id" label="图书ISBN" prop="isbn">
          <el-input v-model="book.isbn"/>
        </el-form-item>
        <el-form-item label="图书名称" prop="name">
          <el-input v-model="book.name"/>
        </el-form-item>
        <el-form-item label="作者" prop="author">
          <el-input v-model="book.author"/>
        </el-form-item>
        <el-form-item label="出版社" prop="publisher">
          <el-input v-model="book.publisher"/>
        </el-form-item>
        <el-form-item label="单价" prop="unitPrice">
          <el-input v-model="book.unitPrice"/>
        </el-form-item>
        <el-form-item label="简介" prop="summary">
          <el-input v-model="book.summary"/>
        </el-form-item>
        <el-form-item label="总数量" prop="allNum">
          <el-input v-model="book.allNum"/>
        </el-form-item>
        <el-form-item label="剩余数量" prop="lastNum">
          <el-input v-model="book.lastNum"/>
        </el-form-item>
        <el-form-item label="标签" prop="tags">
          <el-input v-model="book.tags"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>
<script>
import api from '@/api/book/book'

export default {
  data() {
    return {
      listLoading: false, // 数据是否正在加载
      list: null, // 列表
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 10, // 每页记录数
      searchObj: {}, // 查询表单对象

      createTimes: [],

      dialogVisible: false,
      book: {},
      checkAll: false // 是否全选
    }
  },
  created() {
    //调用列表方法
    this.fetchData()
  },
  methods:{

    //更改用户状态
    switchStatus(row) {
      //判断，如果当前用户可用，修改禁用
      row.status = row.status === 1 ? 0 : 1
      api.updateStatus(row.id,row.status)
        .then(response => {
          this.$message.success(response.message || '操作成功')
          this.fetchData()
        })
    },
    //删除
    removeDataById(id) {
        this.$confirm('此操作将永久删除该图书, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          //调用方法删除
          api.removeById(id)
            .then(response => {
              //提示
              this.$message({
                type: 'success',
                message: '删除成功!'
              });
              //刷新
              this.fetchData()
          })
        })
    },
    //根据id查询，数据回显
    edit(id) {
      //弹出框
      this.dialogVisible = true
      //调用接口查询
      api.getBookId(id)
        .then(response => {
          this.book = response.data
        })
    },
    //添加或者修改方法
    saveOrUpdate() {
      if(!this.book.id) {
        this.save()
      } else {
        this.update()
      }
    },
    //修改
    update() {
      api.update(this.book)
        .then(response => {
          //提示
          this.$message.success('操作成功')
          //关闭弹框
          this.dialogVisible = false
          //刷新
          this.fetchData()
        })
    },
    //添加
    save() {
      api.save(this.book)
        .then(response => {
          //提示
          this.$message.success('操作成功')
          //关闭弹框
          this.dialogVisible = false
          //刷新
          this.fetchData()
        })
    },
    //添加弹框的方法
    add() {
      this.dialogVisible = true
      this.book = {}
    },
    // 重置查询表单
    resetData() {
      console.log('重置查询表单')
      this.searchObj = {}
      this.createTimes = []
      this.fetchData()
    },
    //列表
    fetchData(page=1) {
      this.page = page
      if(this.createTimes && this.createTimes.length==2) {
        this.searchObj.createTimeBegin = this.createTimes[0]
        this.searchObj.createTimeEnd = this.createTimes[1]
      }
      console.info(this.searchObj);
      api.getPageList(this.page,this.limit,this.searchObj)
        .then(response => {
          this.list = response.data.records
          this.total = response.data.total
        })
    }
  }
}
</script>